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| PQ1CG38M2FZH/PQ1CG38M2RZH PQ1CG38M2FZH PQ1CG38M2RZH Features 1.Maximum switching current: 0.8A 2.Built-in ON/OFF control function 3.Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence 4.Built-in oscillation circuit (Oscillation frequency: TYP. 300kHz) 5.Built-in overheat,overcurrent protection functions 6.TO-220 package 7.Variable output voltage (Output variable range: Vref to 35V/-Vref to -30V) [Possible to select step-down output/inversing output according to external connection circuit] 8.PQ1CG38M2FZH: Zigzag forming PQ1CG38M2RZH: Self-stand forming 9.RoHS directive compliant TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit Outline Dimensions PQ1CG38M2FZH 3.60.2 10.2MAX. (1.5) (6.8) 4.50.2 2.80.2 7.40.2 o3.20.1 PQ1CG38M H (0.5) 5-0.80.1 (1.5) 4.4MIN. 4-(1.7) (5.0) 8.2 ( 0.7 ) : Typical dimensions Applications 1 2 3 4 5 Product mass:(1.5g) VIN VOUT COM Oadj ON/OFF 3.60.2 1.Color TV 2.Digital OA equipment 3.Facsimiles,printers and OA equipment 4.Personal computers and amusement equipment PQ1CG38M2RZH 10.2MAX. (1.5) 4.50.2 2.80.2 (6.8) Absolute Maximum Ratings Parameter Symbol *1 VIN Input voltage Error input voltage VADJ Input - output voltage VI-O *2 Output - COM voltage VOUT *3 ON/OFF control voltage VC ISW Switching current PD1 *4 Power dissipation PD2 *5 Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol (Ta=25) Rating Unit 40 V 7 V 41 V -1 V -0.3 to +40 V 0.8 A 1.4 W 14 W 150 -20 to +80 -40 to +150 260(10s) 0.2 7.4 o3.20.1 PQ1CG38M Lead finish identification mark (2.0) Epoxy resin 3.20.5 5.00.5 (2.2) (24.6) (24.6) H Epoxy resin (1.7) 0.80.1 (0.5) 4-(1.7) 4.70.6 4.70.6 2.60.5 ( ) : Typical dimensions Product mass:(1.5g) VIN VOUT COM Oadj ON/OFF 1 2 3 4 5 *1 Voltage between VIN terminal and COM terminal *2 Voltage between VOUT terminal and COM terminal *3 Voltage between VSOFT terminal and COM terminal *4 PD1:No heat sink,PD2:With infinite heat sink *5 There is case that over heat protection function operates at the temperature Tj=125C to 150C, so this item cannot be used in this temperature range. Lead finish:Lead-free solder plating (Composition: Sn2Cu) Notice The content of data sheet is subject to change without prior notice. In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. 1 Sheet No.: OP06038 (3.6) 6.0 0.5 (11.4) 16.40.7 Lead finish identification mark PQ1CG38M2FZH/PQ1CG38M2RZH Electrical Characteristics (Unless otherwise specified,condition shall be VIN=12V,IO=0.5A,VO=5V,ON-OFF terminals is open,Ta=25) Parameter Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current Input threshold voltage ON threshold voltage Stand-by current Output OFF-state dissipation current Symbol VSAT Vref |RegL| |RegI| fO IL ICHG VTHL VTHH VTH(ON) ISD IQS Conditions ISW=0.5A Tj=0 to 125 IO=0.2 to 0.5A VIN=8 to 35V IO=0.5A Tj=0 to 125 Switching current peak , terminals is open, terminal Duty ratio=0%, terminal=0V, terminal Duty ratio=100%, terminal =1.1V, terminal MIN. 1.235 270 0.85 0.7 TYP. 0.95 1.26 0.5 0.2 1 80 300 3 1.2 -10 1.3 2.1 0.8 120 5 MAX. 1.5 1.285 1.5 2.5 330 1.6 0.9 400 10 Unit V V % % % % kHz % A V V V mA terminal=0V, terminal VIN=40V, terminal=0V VIN=40V, terminal=0V, terminal =0.9V Fig.1 Test Circuit I SD I QS A + V IN PQ1CG38M2 L 65 H I O VO C IN 100 F A D R2 + Load I CHG R1 1k CO 470 F ON/OFF control logic 5 pin LOW HIG H OPEN L : HK-14S100-2110 (made by Toho Co.) D : ERC80-004 (made by Fuji electronics Co.) Output OFF ON ON Fig.2 Power Dissipation vs.Ambient Temperature 20 Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 5 Output voltage VO(V) T a=25C V IN =12V V O=5V Power dissipation PD (W) 15 PD2:With infinite heat sink 4 3 2 1 10 5 PD1:No heat sink 0 -20 0 25 50 75 80 100 125 150 0 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area 0 0.5 1 1.5 Output current IO (A) 2 Sheet No.: OP06038 2 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.4 Efficiency vs. Input Voltage 100 T j=25 C 90 Efficiency (%) 80 70 60 50 40 0 V O=5V,I O=0.1A V O=5V,I O=0.5A V O=12V,I O=0.1A V O=12V,I O=0.5A 10 20 30 Input voltage VIN (V) 40 Fig.5 Output Saturation Voltage vs. Switching Current Output saturation voltage VSAT (V) 1.6 T j=25 C 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 0.2 0.4 0.6 0.8 Switching current ISW (A) 1 Fig.6 Stand-by Current vs. Input Voltage 250 Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 2 Reference voltage fluctuation (%) T j=25 C 1.5 1 0.5 0 0.5 1 1.5 2 25 0 25 50 75 V IN =12V V O=5V Standby current ISD(A) 200 150 100 50 0 0 5 10 15 20 25 30 Input voltage VIN (V) 35 40 100 125 Junction temperature Tj (C) Fig.8 Load Regulation vs. Output Current 1 Load regulation RegL (%) Fig.9 Line Regulation vs. Input Voltage 1.5 Line regulation RegI (%) T j=25 C V IN =12V V O=5V 0.5 1 T j=25 C V O=5V IO=0.2A 0.5 0 0 0.5 0 0.1 0.2 0.3 0.4 0.5 Output current IO (A) 0.6 0.5 0 10 20 30 Input voltage VIN (V) 40 Sheet No.: OP06038 3 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature 10 Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) 6 4 2 0 2 4 6 8 25 0 25 50 75 100 Junction temperature Tj(C) 125 Oscillation frequency fluctuation (%) 8 6 4 2 0 2 4 6 8 10 25 V IN =12V V O=5V 0 25 50 75 100 Junction temperature Tj(C) 125 Fig.12 Threshold Voltage vs. Junction Temperature Threshold voltage VTH(ON), VTH(L), VTH(H)(V) Fig.13 Operating Dissipation Current vs. Input Voltage Operating dissipation current IQ'(mA) 12 10 8 6 IO=0.1A 4 2 0 0 10 20 30 Input voltage VIN(V) 40 No load IO=0.5A T j=25 C V O=5V 3 V IN =12V 2.5 2 1.5 1 0.5 0 25 0 25 50 75 100 Junction temperature Tj(C) 125 V TH(ON) V TH(L) V TH(H) Fig.14 Block Diagram 1 V IN 2 V OUT Voltage regulator ON/OFF circuit 5 _ + Soft start PWM COMP. ON/OFF control Overcurrent detection circuit F/F Q R S Oscillator _ + ERROR AMP. V ref 4 O adj Overheat detection circuit 3 COM Sheet No.: OP06038 4 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.15 Step Down Type Circuit Diagram 4 PQ1CG38M2 L 65 H V O 5V 5 + V IN 8 to 35V 3 C IN 100 F CS RS D R2 3k + Load CO 470 F R1 1k ON/OFF control signal R S 50k Fig.16 Polarity Inversion Type Circuit Diagram 0.471F 100k 680k PQ1CG38M2 + L 65 H R2 3k RS D R1 1k + CO 2 200 F V IN 530V C IN 100 F Load CS VO ON/OFF control signal 5V In case that polarity is reverse, depending on the conditions,there is cases that output voltage can not gain, please use this device after confirming the output voltage at the actual conditions. Sheet No.: OP06038 5 |
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